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how big in size are piranhas when they are ready

1130 Views 8 Replies 9 Participants Last post by  Xenon
my p's are no bigger than 5" at most and they are really dark, they don thave much red on them at all, they swim in circles with eachother and poke at eachoter with their noses. they sometimes but rarely fight, and when they do its not more than a nibble at anothhers fin which just grows back in a few days anyway. so what size are p's when they are ready to mate, are they full grown, if so then why are mine acting weird?
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Well there is no 100% positive answer because because even like us humans we will begin the proccess of puberty at different stages than others, but the sizes mentioned are a rough idea of an average :smile:
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